<foreach name="list" item="vo" >
    <if condition="$vo['sender'] eq $sender ">
        <div class="ChartContent ChartRight"><i class="iconfont">&#xe613;</i><{$vo.content}></div>
        <else />
        <div class="ChartContent ChartLeft"><i class="iconfont">&#xe613;</i><{$vo.content}></div>
    </if>
</foreach>